Brandon Garcin on Feb 29, 2016 6:00:00 AM on Continuum MSP Blog
Believe it or not, the first data backups were made on paper. Dating back as early as the 18th century, the “technology” was used in the form of paper tapes constructed from punch cards to control the functions of automated machinery such as textile looms. The concept of these cards was then further developed by IBM in the early days of data processing, where data input, storage and commands were captured using a series of hole punches.
IBM Archives: https://www-03.ibm.com/ibm/history/exhibits/storage/storage_350.html